Sleeping worse lately?
It’s not you. It’s October.
Manta Sleep <[email protected]>
Manta Sleep showcases their products as a solution for sleeping worse lately, citing the impact of shorter days and less daylight on the body clock. They highlight the effectiveness of their offerings and invite customers to shop a bundle. The brand expresses gratitude for customer support.
What the raw message shows
From the headers
- Sent with
-
Klaviyo See it in the headers
Across Manta Sleep's email
- Sends
- About 3 a week
- DMARC
-
Not enforced
Failures are monitored but still delivered.
The copy
31 words · under a minute to read
Manta Sleep logo
Shorter days, cooler nights
Less daylight shifts your body clock
Find your number
Why it works
Shop the bundle
To update your email preferences, choose your preferred option:
The words as text: what a screen reader can follow, and all there is when images don't load.
What the headers say
Read from the message's own headers, as it arrived.
- Came from
-
o1305.shared.klaviyomail.com
· 167.89.100.83
Klaviyo's sending servers
- SPF
- Pass for klaviyo.mantasleep.com
- DKIM
-
- Pass signed by mantasleep.com
- DMARC
-
Pass for mantasleep.com
Policy: none, so failures would still be delivered
- Unsubscribe
-
One-click
Meets the Gmail and Yahoo rule for bulk senders.
- Complaints
- No feedback-loop header
Show all 20 headers Hide the headers
As received, minus the delivery side: the archive's own addresses show as [recipient], its mail servers as [receiver], signatures are left out and unsubscribe links trimmed to their host.
Route
- Received Identifies Klaviyo
- from o1305.shared.klaviyomail.com (167.89.100.83) by [receiver] (cloudflare) id Vrnv0N6wl6c6 for <[recipient]>; Sun, 04 Oct 2026 14:30:11 +0000
- Received
- by recvd-5fc44868d6-nxl9r with SMTP id recvd-5fc44868d6-nxl9r-1-6AC262F3-114 2026-10-04 14:30:11.576286526 +0000 UTC m=+422988.082962797
- Received
- from NTg5NTg1NQ (unknown) by geopod-ismtpd-42 (SG) with HTTP id bLIgWEsiQ36I5MTzi2RkCg Sun, 04 Oct 2026 14:30:11.562 +0000 (UTC)
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.83 as permitted sender) receiver=[receiver]; client-ip=167.89.100.83; envelope-from="[recipient]@klaviyo.mantasleep.com"; helo=o1305.shared.klaviyomail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mantasleep.com header.s=kl2 header.b=X2yuuq5f; dmarc=pass header.from=mantasleep.com policy.dmarc=none; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=o1305.shared.klaviyomail.com; spf=pass ([receiver]: domain of [recipient]@klaviyo.mantasleep.com designates 167.89.100.83 as permitted sender) smtp.mailfrom=[recipient]@klaviyo.mantasleep.com; arc=none smtp.remote-ip=167.89.100.83
Platform
- X-Kmail-Account
- KYgPD8
- X-Kmail-Message
- 01M3QTJ0JSKNGYQV93V21VSD4N
- X-Kmail-Ops
- 01KXF2R3JSH9777JVSMDCCMC6Q
- X-SG-EID
- u001.xeEgffpsmHA1gha/vIlCfnFDCPUYhzR8uskr3qDb2pX8KCnJWbdA3jE6/xdLuuEdy2P4DBV8umCY0uyExloeERxiUZRmkc5m3JNHzUGU0YClC5JSb/PJxePv7fi4jzGDRdMifbvNedku7iyitjrPoM6Rc6y5SIJlbx79P8FxzLjdyyEKdTbLX5RD1bNr/viyJ8Kn3MqxLnqZwWubUFLu9sE59jFap1LyN1tRnv1ZINIZnd4lKjlIqFC2uGfLe1Ue
- X-SG-ID
- u001.SdBcvi+Evd/bQef8eZF3BiU3Zi1S53GtqGa3TWBmqe75yn5aYrkvkfG+ZGKrHRvq5L1Pw6pZ2fI18+Jq/t9AxY8t7YCTCy7IOdSMatKI1SDTgCpbep8m09siQKtADlG8rYv0vhmfvDnCVvmE+2XxkySGqDME0Euz2BVBc3a2os0tH1OeMeOXK4o49AkbRJn/iuhNHr4Ip0i4+LQH/EnbJq45UG2qmKKIuOmOTIkrrpp2Wiajm+0dusZ1NBeJQFXzZcwD91C9bwzsED/sMRIfyBBQi0T59LswxPTfLp+F4B7ugRNJh38tc5PN5dxASfwwu4yjAaAZ3Vm2MW4VDLIdyWQd3Ohtwfex5EMpa3d/QJ+ybpY1CM2AVoQ9sV6jDUBY
- X-Entity-ID
- u001.hfPXRH9Vf9JkJDdd7ZPpgQ==
Unsubscribe and feedback
- List-Unsubscribe
- <https://manage.kmail-lists.com/…>
- List-Unsubscribe-Post
- List-Unsubscribe=One-Click
- X-Report-Abuse
- Please report any spam or abuse to: [email protected]
Message
- Content-Type
- multipart/alternative; boundary=4261cd1f97672645eb9defac4ef7108159fe4f7bc3d77caaf1a813a92d53
- Date
- Sun, 04 Oct 2026 14:30:11 +0000 (UTC)
- From
- Manta Sleep <[email protected]>
- Mime-Version
- 1.0
- Message-ID
- <bLIgWEsiQ36I5MTzi2RkCg@geopod-ismtpd-42>
- Subject
- Sleeping worse lately?
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